FCC ID R56-FC2003
True Wireless Bluetooth Headphone Amplifier
by Guangzhou FiiO Electronic Technology Co., Ltd.
Grantee Code: R56 Product Code: FC2003
Latest application date: 2026-07-01
FCC ID Device Details
| FCC ID | R56-FC2003 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | R56 |
| Product Code | FC2003 |
| Applicant Business | Guangzhou FiiO Electronic Technology Co., Ltd. 🇨🇳 |
| Related Domains |  fiio.com.cn  tekfx.com |
| Equipment Class | True Wireless Bluetooth Headphone Amplifier |
| Test Firm | Guangdong Dongdian Testing Service Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-07-01 |
| 2402-2480 MHz | Original Equipment | 2026-07-01 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| ID label and location | ID Label/Location Info | 2026-07-01 | PDF 38.7 KB |
| Antenna Specification | Test Report | 2026-07-01 | PDF 835.8 KB |
| Test report BLE part1 | Test Report | 2026-07-01 | PDF 4.5 MB |
| Test report BLE part2 | Test Report | 2026-07-01 | PDF 4.5 MB |
| Test report BLE part3 | Test Report | 2026-07-01 | PDF 3.2 MB |
| Test report BT part1 | Test Report | 2026-07-01 | PDF 5.8 MB |
| Test report BT part2 | Test Report | 2026-07-01 | PDF 5.7 MB |
| Test report BT part3 | Test Report | 2026-07-01 | PDF 4.4 MB |
| Test report BT part4 | Test Report | 2026-07-01 | PDF 2.6 MB |
| Attestation Statement | Attestation Statements | 2026-07-01 | PDF 1.6 MB |
| Kaspersky Statement | Attestation Statements | 2026-07-01 | PDF 3.1 MB |
| TCB_validation_US_agent_process | Attestation Statements | 2026-07-01 | PDF 287.3 KB |
| Us_Agent | Attestation Statements | 2026-07-01 | PDF 1.6 MB |
| Authority to Act as Agent | Cover Letter(s) | 2026-07-01 | PDF 1.5 MB |
| Confidentiality | Cover Letter(s) | 2026-07-01 | PDF 3 MB |
| Letter Authorization | Cover Letter(s) | 2026-07-01 | PDF 1.5 MB |
| RF Exposure SAR | RF Exposure Info | 2026-07-01 | PDF 2.5 MB |
| RF Exposure SAR Appendix A | RF Exposure Info | 2026-07-01 | PDF 353.7 KB |
| RF Exposure SAR Appendix B | RF Exposure Info | 2026-07-01 | PDF 470.4 KB |
| RF Exposure SAR Appendix C | RF Exposure Info | 2026-07-01 | PDF 5.3 MB |
| User manual Metadata only | Users Manual | 2026-12-28 | PDF 2.7 MB |
| Internal photos Metadata only | Internal Photos | 2026-12-28 | PDF 4 MB |
| External photos Metadata only | External Photos | 2026-12-28 | PDF 1.8 MB |
| Test Setup photo Metadata only | Test Setup Photos | 2026-12-28 | PDF 2.4 MB |
| Test Setup photo SAR Metadata only | Test Setup Photos | 2026-12-28 | PDF 1.1 MB |
| Block Diagram Metadata only | Block Diagram | PDF 244.8 KB | |
| Schematics Metadata only | Schematics | PDF 402.5 KB | |
| Operational Description Metadata only | Operational Description | PDF 230.6 KB |
Application Information
| Application ID | u0zC3HT+8Wxy+iHxGKKcEg== |
|---|---|
| Final Action Date | 2026-07-01 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0022263586 |
| Model | FC2003 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | True Wireless Bluetooth Headphone Amplifier |
| Responsible Party | Kevin Chen, cxj@fiio.com.cn , 00862062679040 |
| Technical Contact | Kevin Chen, Guangdong Dongdian Testing Service Co., Ltd., cxj@fiio.com.cn , 00862062679040 |
| Non-Technical Contact | Michael Wang, TekFX Logistics LLC, michael@tekfx.com , 703-665-9588 |
| Test Firm | Mr. Jamy Yu, Guangdong Dongdian Testing Service Co., Ltd., jamy@dgddt.com  , +86-0769-89201646 |
| TCB Email | elabscert@applus.com  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | Yes |
| Long-Term Confidentiality | Yes |
| Modular Equipment | Does not apply |
| Composite Device | Yes |
| Cognitive Radio | No |
| Authorization Waiver | No |
| Authorization Waiver Approved | No |
| Section 5301 Certification | Yes |
| Related OET Knowledge DataBase Inquiry | No |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| u0zC3HT+8Wxy+iHxGKKcEg== | 2026-07-01 | Original Equipment |
| 2l0t8/zzdu9Dxp0u9emcvg== | 2026-07-01 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application u0zC3HT+8Wxy+iHxGKKcEg==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
LGAI Technological Center S.A. (APPLUS) Ronda de la Font del Carme, s/n <BR>P.O. Box 08193, Barcelona, Spain |
Date of Grant: 07/01/2026 Application Dated: 07/01/2026 |
| Guangzhou FiiO Electronic Technology Co., Ltd. |
| No.21, Longliang Road, Xialiang Village, |
| Longgui Street, Baiyun District |
| Guangzhou, Guangdong, P.R., China |
| Attention: Kevin Chen , QA Manager |
| NOT TRANSFERABLE |
| EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below. |
| FCC IDENTIFIER: | R56-FC2003 |
| Name of Grantee: | Guangzhou FiiO Electronic Technology Co., Ltd. |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | True Wireless Bluetooth Headphone Amplifier |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.0113 |
| Output power listed is conducted. FCC RF Exposure information and statement that the SAR limit of USA (FCC) for Wrist bandis 1.6W/kg@1g, Device types have also been tested against this SAR limit. The evaluation distance for head is 0 mm. The highest reported SAR for head conditions is 0.20 W/kg. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application 2l0t8/zzdu9Dxp0u9emcvg==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
LGAI Technological Center S.A. (APPLUS) Ronda de la Font del Carme, s/n <BR>P.O. Box 08193, Barcelona, Spain |
Date of Grant: 07/01/2026 Application Dated: 07/01/2026 |
| Guangzhou FiiO Electronic Technology Co., Ltd. |
| No.21, Longliang Road, Xialiang Village, |
| Longgui Street, Baiyun District |
| Guangzhou, Guangdong, P.R., China |
| Attention: Kevin Chen , QA Manager |
| NOT TRANSFERABLE |
| EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below. |
| FCC IDENTIFIER: | R56-FC2003 |
| Name of Grantee: | Guangzhou FiiO Electronic Technology Co., Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | True Wireless Bluetooth Headphone Amplifier |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.00863 |
| Output power listed is conducted. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |